A detailed description about ancient Buddhist kingdoms across ancient India and Bengal and Arakan. This is also one of ancient sources that mentioned about Chakma kingdom as Cha Ga Ma in his traveling records of Taranatha (1575–1634), a research Buddhist monk that visited Indian subcontinent from Tibet in
This books witnesses that so many ancient names were changed due to various religious invasions that occurred in India. Buddhism used to be the most influential and flourishing religion and a way of life that transformed and reshaped philosophy, craft arts, literature, languages etc.